1231120010 has 32 divisors (see below), whose sum is σ = 2341051200. Its totient is φ = 464849280.

The previous prime is 1231120003. The next prime is 1231120027. The reversal of 1231120010 is 100211321.

It is a junction number, because it is equal to n+sod(n) for n = 1231119973 and 1231120000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41861 + ... + 64919.

It is an arithmetic number, because the mean of its divisors is an integer number (73157850).

Almost surely, 2^1231120010 is an apocalyptic number.

1231120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231120010 is a deficient number, since it is larger than the sum of its proper divisors (1109931190).

1231120010 is a wasteful number, since it uses less digits than its factorization.

1231120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23366.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1231120010 is about 35087.3197893484. The cubic root of 1231120010 is about 1071.7663810409.

Adding to 1231120010 its reverse (100211321), we get a palindrome (1331331331).

The spelling of 1231120010 in words is "one billion, two hundred thirty-one million, one hundred twenty thousand, ten".